gecko/gfx/layers/ipc/CompositorChild.cpp
Benoit Girard ext:(%2C%20Ali%20Juma%20%3Cajuma%40mozilla.com%3E) 3a24e71200 Bug 711168 - Implement the compositor protocol for OMTC. r=cjones
2012-01-19 09:45:37 -05:00

94 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=2 ts=2 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
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* The Original Code is Mozilla Content App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Benoit Girard <bgirard@mozilla.com>
* Ali Juma <ajuma@mozilla.com>
*
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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#include "CompositorChild.h"
#include "CompositorParent.h"
#include "LayerManagerOGL.h"
#include "mozilla/layers/ShadowLayersChild.h"
using mozilla::layers::ShadowLayersChild;
namespace mozilla {
namespace layers {
CompositorChild::CompositorChild(LayerManager *aLayerManager)
: mLayerManager(aLayerManager)
{
MOZ_COUNT_CTOR(CompositorChild);
}
CompositorChild::~CompositorChild()
{
MOZ_COUNT_DTOR(CompositorChild);
}
void
CompositorChild::Destroy()
{
mLayerManager = NULL;
size_t numChildren = ManagedPLayersChild().Length();
NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
"compositor must only have 0 or 1 layer forwarder");
if (numChildren) {
ShadowLayersChild* layers =
static_cast<ShadowLayersChild*>(ManagedPLayersChild()[0]);
layers->Destroy();
}
SendStop();
}
PLayersChild*
CompositorChild::AllocPLayers(const LayersBackend &backend)
{
return new ShadowLayersChild();
}
bool
CompositorChild::DeallocPLayers(PLayersChild* actor)
{
delete actor;
return true;
}
} // namespace layers
} // namespace mozilla